Home / 2,564.64-3,539.28-1,570.08

Finding the Fourth Proportional to 2,564.64, 3,539.28 and 1,570.08

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Solution

The fourth proportional to 2,564.64, 3,539.28 and 1,570.08 is: 2,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.64 : 3,539.28 = 1,570.08 : x
  2. Step 2: Convert to fraction form
    2,564.64/3,539.28 = 1,570.08/x
  3. Step 3: Cross multiply
    2,564.64x = 3,539.28 × 1,570.08
  4. Step 4: Simplify right side
    2,564.64x = 5,556,952.74
  5. Step 5: Solve for x
    x = 5,556,952.74/2,564.64
  6. Step 6: Final answer
    x = 2,166.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.